Table 5. Statistical significance of a posteriori effects.
| F(df) | P | MNI Coordinates | Cluster size (voxels) |
Anatomical region | Contrasts used1 | |
|---|---|---|---|---|---|---|
| Effect A-B | ||||||
| 221.77 (2, 120) | < .001 | 34 24 -10 | 2907 | R | Inferior frontal gyrus (BA 47); Cerebellum posterior lobe (tonsil) | Task B > A |
| Effect C-D | ||||||
| 234.89 (2, 120) | < .001 | 34 24 -10 | 2965 | R | Inferior frontal gyrus (BA 47); Cerebellum posterior lobe (tonsil) | Task D > C |
| Effect A-C | ||||||
| 226.2 (2, 120) | < .001 | 34 24 -10 | 2807 | R | Inferior frontal gyrus (BA 47); Cerebellum posterior lobe (tonsil) | Task A ≠ C |
| 5.47 (2, 120) | .005 | -22 -20 -26 | 12 | L | Parahippocampal gyrus (BA 36) | |
| Effect B-D | ||||||
| 231.6 (2, 120) | < .001 | 38 24 -10 | 2803 | R | Inferior frontal gyrus (BA 47); Cerebellum posterior lobe (tonsil) | Task B ≠ D |
F = Snedecor’s F statistic; df = degrees of freedom; p = statistical significance; MNI coordinates = x, y, z coordinates of cluster peaks; L = left; R = right; BA = Brodmann’s area.
1The first task/group presented more activation than the second task/group.